I. Solution Introduction
A wireless communication module is a circuit module with wireless communication capabilities. It can transmit data through wireless connections, recognize and analyze commands sent by the main controller, control the operation of node devices, or send the working status of the current node device to the main controller.
Commonly used wireless communication modules in the market include Bluetooth modules, WLAN modules, GNSS modules, LoRa modules, Zigbee modules, 2G/3G/4G/5G modules, NB - IoT modules, and their application combinations. They usually adopt industrial - grade designs and can be applied to various harsh environments.
Quectel is a leading global provider of IoT overall solutions. It connects devices and people to networks and services, promotes digital innovation, and helps build a smarter world. Quectel products can help achieve a more convenient, efficient, comfortable, wealthy, and safe life.
II. Solution Description
The communication circuit connects the perception layer and the network layer of the IoT, enabling devices to have the ability to connect to the network and transmit data, and serving as the information entry point for various intelligent terminals to access the network. Moreover, through the cloud management platform, users are allowed to remotely operate and manage various IoT devices.
The traditional wired communication method requires the erection of cables or the excavation of cable trenches, and the wiring work requires a large amount of human and material resources. The adoption of wireless communication can greatly simplify the installation difficulty. IoT terminals can select different types of wireless communication methods according to the requirements of different application scenarios. The corresponding terminal products have the advantages of being ready - to - use, and the installation and networking are very convenient.
Typical wireless communication module circuit block diagram
Due to the wide variety of wireless communication technologies, the requirements of RF circuits for devices and indicators are extremely high, and there are many parameters and factors to be considered in the design. Therefore, the design of the RF part of the PCB circuit is often the most difficult module in the entire PCB design. In the process of RF circuit design, professional software/hardware tools and equipment need to be applied, and a large number of circuit simulations are required. The knowledge and experience of design engineers are very important. In addition, the design of RF circuits needs to be integrated with digital systems and software design. Therefore, the requirements for engineers' skills and knowledge are getting higher and higher, and many small companies often do not have the talents and resources in this regard.
Therefore, for different application scenarios, the selection of mature and stable wireless communication module products can effectively simplify the design process of the whole - machine product and speed up the market - entry speed of new products.
III. Characteristics and Advantages
- Overcome the professional and complex RF circuit design by using wireless communication modules.
- Reduce the design difficulty in the product application development stage and shorten the development time.
- Support multiple wireless communication modes with high cost - effectiveness.
- Support customized development requirements.
IV. Application Fields
Wireless communication modules are widely used in vehicle monitoring, remote control, telemetry, small - scale wireless networks, wireless meter reading, access control systems, community paging, industrial data acquisition systems, wireless tags, identity recognition, contactless RF smart cards, small - scale wireless data terminals, fire - safety systems, wireless remote - control systems, biological signal acquisition, hydrometeorological monitoring, robot control, wireless 232 data communication, wireless 485/422 data communication, digital audio, digital image transmission, and other fields.
V. Quectel IoT Module Series
The main packaging methods of Quectel communication modules
2G modules (8 types)
GSM\GPRSM35：GSM\GPRS / PCM / QuecFOTA / Quad-band
GSM\GPRSM08-R：GSM\GPRS
GSM\GPRSM25：GSM\GPRS
GSM\GPRSM26：BT3.0 / GSM\GPRS
GSM\GPRS / GNSS / MC20：BT4.0 / DualSIM / GNSS / GSM\GPRS
GSM\GPRS / GNSS / MC25：GNSS / GSM\GPRS
GSM\GPRSM56：300Mpcamera / GSM\GPRS / LCD240x320
GSM\GPRSM56-R：300Mpcamera / GSM\GPRS / LCD240x320 / RDA8955L
4G modules (43 types)
LTE-AEM120K-GL：eSIM(optional) / GNSS / LTECat12 / LTE-AMIMO / USB2.0 / USB3.0
LTEEC25：DTMF / GNSS(optional) / LTECat4 / MIMO / QualcommGen8CLite / VoLTE(optional)
LTEEG25-G：DTMF / GNSS(optional) / LTECat4 / MIMO / QualcommGen8CLite / VoLTE(optional)
LTEEC25MiniPCIe：DTMF / GNSS(optional) / LTECat4 / MIMO / QualcommGen8CLite / VoLTE(optional)
LTEEG25-GMiniPCIe：BT / GNSS / LTECat4 / MIMO / USB2.0 / Wi-Fi
LTEEC21：DTMF / GNSS(optional) / LTECat1 / MIMO / QualcommGen8CLite / VoLTE(optional) / WiFi
LTEEG21-G：DTMF / GNSS(optional) / LTECat1 / MIMO / QualcommGen8CLite / VoLTE(optional)
LTEEC21MiniPCIe：DTMF / GNSS(optional) / LTECat1 / MIMO / QualcommGen8CLite / VoLTE(optional) / WiFi
LTEEC20R2.1：DFOTA / GNSS / HSPA+LTECat4 / USB2.0
LTE-AEG060K-EA：GNSS / LTECat6 / LTE-A / MIMO / USB2.0 / USB3.0 / VoLTE
LTE-AEG065K：LTECat6 / LTE-A / MIMO / USB2.0 / USB3.0 /
LTE-AEG512R-EA：LTECat12 / LTE-A / MIMO / PCle2.0 / RGMII / USB3.0 / VoLTE
LTE-AEM060K-GL：2x2MIMO / GNSS / LTECat6 / LTE-AUSB3.0
LTE-AEM12-G：GNSS / LTECat12 / LTE-AUSB2.0 / USB3.0 / VoLTE
LTE-AEM120R-GL：eSIM(optional)GNSS / LTECat12 / LTE-AMIMO / USB2.0 / USB3.0
LTE-AEM160R-GL：eSIM(optional)GNSS / LTECat16 / LTE-AMIMO / USB2.0 / USB3.0
LTEEG120K：256QAM / 4X4MIMO / GNSS / LTECAT12 / USB3.0
LTEEC20R2.1MiniPCIe：DFOTAGNSS / HSPA+LTECat4 / USB2.0
LTEEG21-GMiniPCIe：DTMF / GNSS(optional) / LTECat1 / MIMO / QualcommGen8CLite / VoLTE(optional)
LTEEG95：GNSS / HSPA+LTECat4 / USB2.0
LTEEG91：(U)SIMGNSS / HSPA+LTECat1 / UART / USB2.0
LTEEM05：DTMF / GNSS(optional) / LTECat4 / MIMO / USB2.0
EC200A series：GNSS（Optional） / LTECAT.4+WCDMA+GPRS / GSM（Optional） / Openlinux（Optional） / VoLTE（Optional）
EC200M-CN：BT+GNSS（Optional） / LTECat1 / VoLTE（Optional） / Wifiscan（Optional）
EC200U series：BT / WIFISCAN（Optional） / GNSS（Optional） / LTECAT.1+GPRS / GSMVoLTE
EC600G-CN：GNSS（Optional） / LTECat1 / VoLTE（Optional）
EC600U series：BT / WIFISCAN（Optional） / LTECAT.1+GPRS / GSM / VoLTE
EC800G-CN：GNSS（Optional） / LTECat1 / VoLTE（Optional）
EG912U-GL：LTECAT.1+GPRS / GSM / VoLTE / Global frequency band models
EG915U series：BT / WIFI / SCAN（Optional） / LTECAT.1+GPRS / GSM / VoLTE
LTE-AEG06：2×2MIMO / GNSS / LTECat6 / USB3.0 / VoLTE(optional)
LTE-AEG060V：FOTA / HSPA+LTECat6 / USB2.0 / VoLTE(optional)
LTE-AEP06：2×2MIMO / GNSS(optional) / LTECat6 / USB3.0 / VoLTE(optional)
LTE-AEM06：2×2MIMO / DTMF / GNSS(optional) / LTECat6 / USB2.0
LTE-AEG12：256QAM / 4×4MIMO / GNSS(optional) / LTECat12 / USB3.0 / VoLTE(optional)
LTE-AEG18：256QAM / 4×4MIMO / GNSS / LTECat18 / USB3.0 / VoLTE(optional)
5G modules (22 types)
5GRG520F series：3GPPRel-16 / 5G / 5GNSA / 5GSub-6GHz / GNSS / SA / VoLTE(optional)
5GRG620T series：3GPPRel-16 / 5GNSA / 5GSub-6GHz / SA / TransmissionMode9(TM9)
5GRG255C series：3GPPRel-17 / 5G / 5GRedCap / GNSS / SA / URLLC / VoLTE
5GRG650E-NA：3GPPRel-17 / 5GGNSS / LTECat18 / LTECat20 / NSASA / USB3.1 / VoLTE
5GRG650V series：3GPPRel-17 / 5GNSA / GNSS / LTECat18 / LTECat20 / SAUSB3.1 / VoLTE
RM255C-GL：3GPPRel-17 / 5G / 5GRedCap / GNSS / SA / URLLC / VoLTE
5GRG525F-NA：3GPPRel-16 / 5G / 5GNSA / 5GSub-6GHz / 8RXGNSS / SA / VoLTE(optional)
5GRG530F系列：3GPPRel-16 / 5G / 5GmmWave / 5GNSA / 5GSub-6GHz / GNSS / SA / VoLTE(optional)
5GRM530N-GL：3GPPRel-16 / 5G / 5GNSA / 5GSub-6GHz / GNSS / mmWave / SA / VoLTE(optional)
5GRG200U-CN：5GSub-6GHz / PCIe2.0 / USB3.0 / VoLTE
5GRG200U-CNMiniPCIe：3GPPRelease15 / 5GSub-6GHz / DFOTA / USB3.0
5GRM50xQ series：5GGNSS(optional) / LTECat16 / USB3.1 / VoLTE(optional)
5GRG500U series：5G / 5GSub-6GHz / NSASA / VoLTE(optional)
5GRG500L series：cortexARMA55 / CPE / FWA / NR2CC / SoC
5GRG520N series：3GPPRelease16 / 5G / 5GSub-6GHz / NSASAGNSS
5GRM520N series：3GPPRelease16 / 5G / 5GSub-6GHz / NSASAGNSS
5GRM500K-CN：5G / 5GSub-6GHz / USB3.0
5GRM500S-CE：3GPPRelease155G / 5GSub-6GHz / DPOTA / USB3.0
5GRM500U-CN：5G / 5GSub-6GHz / HSPA+LTECat12 / PCIe2.0 / USB3.0 / VoLTE(optional)
5GRM510Q-GL：5G / 5GSub-6GHz / GNSS / mmWave / PCIe3.0 / USB3.1 / VoLTE(optional) / WCDMA
5GRM521F-GL：3GPPRel-16 / 5G / GNSS / LTECat18 / LTECat20SA / VoLTE
5GRG50xQ series：5G / GNSS(optional) / USB3.1 / VoLTE(optional)
GNSS modules (26 types)
GNSSLC29H：135 channels / 5 systems (GPS\GLONASS\BeiDou\Galileo\QZSS) / CM-level positioning / DR / RTK optional / L1+L5
GNSSLC29Y：HD8040D / I2C / SPI / UART / Dual-band / Multi-constellation / High sensitivity
GNSSL26：10Hz / GPS+GLONASS+QZSS / Integrated LNA
GNSSL26K：GPS+BeiDou / Integrated LNA / Cost-effective
GNSSLC79H：5 systems(GPS\GLONASS\BeiDou\Galileo\QZSS) / L1+L5 / support RAWDATE / Integrated LNA
GNSSLG77L：7*7 package / MAX10Hz / ultra-small size
GNSSL26-DR：5 systems (GPS\GLONASS\BeiDou\Galileo\QZSS) / UDR / ADR optional / Vehicle regulations optional / Integrated LNA
GNSSL76：10Hz / GPS+GLONASS+QZSS
GNSSL76-L：10Hz / GPS+GLONASS+QZSS / Integrated LNA
GNSSL76K：1PPS / 5Hz / 9600bps / AGNSS / GPS+BeiDouLNA / Integrated LNA
GNSSL86：10Hz / 33track / 99acq / 9600bps / MT3333chip
GNSSL89：10Hz / 48track / 2fastacq / 9600bps / IntegratedantennaI / RNSSTeseoIIIchip
GNSSL96：10Hz / 33track / 99acq / 9600bps / Integratedantenna / MT3333chip
GNSSLC29D：6 systems (GPS\GLONASS\BeiDou\Galileo\QZSS\IRNSS) / CM-level positioning / DR / RTK optional / L1+L5
GNSSLC79D：5 systems(GPS\GLONASS\BeiDou\Galileo\QZSS) / L1+L5 / Integrated LNA
GNSSLG69T：ASIL-B optional / CM-level positioning / DRonly / RTKonly / DR+RTK / GNSSonly / Rawdata optional / L1+L5\L1+L2 optional / Internal integrated IMU optional
GPS-onlyL70：22track / 66acq / 5Hz / 9600bps / Flash-based / GPS-only / MT3339chip
GPS-onlyL70-R：5Hz / GPS-only
GPS-onlyL70-RL：5Hz / GPS-only / Integrated LNA
GPS-onlyL80：10Hz / 22track / 66acq / 9600bps / GPS-only / MT3339chip
GPS-onlyL80-R：22track / 66acq / 5Hz / 9600bps / GPS-only / MT3337chip
GNSS / L76-LB：-167dBm / 9600bps / AGPS / LOCUS
GNSS / L76C：AGNSS / LNA / SBAS
GNSS / L26-LB：
GNSS / L26C：AGNSS / QZSSRTK
GNSS / L76B：AGPS / DGPS / EASY / LOCUS / SBAS
LPWA modules (11 types)
LPWABG600L-M3：CatM1 / CatNB2 / DFOTA / EGPRS / USB2.0 / VoLTE
LPWABC260Y-CN：(U)SIMCatNB1 / CatNB2 / DFOTA / UART / Multi-band
LPWABC28-F：CatNB1 / CatNB2 / DFOTA / UART / Multi-band
LPWABC95-GF：CatNB1 / CatNB2 / DFOTA / UART / Multi-band
LPWABG95：ARMCortexA7 / CatM / CatNB2 / EDGE / GNSS(optional) / GPRS / USB2.0
LPWABG77：ARMCortexA7 / CatM / CatNB2 / GNSS / USB2.0
LPWABC20：ADCtemp.check / CatNB1 / GNSS / PSM_EINT
LPWABC25：ADCtemp.check / BT4.2 / CatNB2 / eSIM / PSM_EINT
LPWABC26：ADCtemp.check / CatNB1 / eSIM / PSM_EINT
LPWABC32：ADCtemp.check / CatNB2 / GSM\GPRS / PSM_EINT
LPWABC35-G：ADCtemp.check / CatNB2 / eSIM
Smart modules (15 types)
LTESC200K-CE Smart Module：Android10.0 / ARMCortex-A55 / BT5.0 / GE8322 / GNSS / MIMO / PowerVRFentale
LTESC200R Smart Module：Adreno308 / Android10.0 / ARMCortexA53 / BT4.2 / GNSS
LTESC20 Smart Module：2×2MIMO / Adreno304 / Android7.1 / 8.1 / ARMCortexA7 / BT4.2 / GNSS / Linux / LTECat4 / Quad-core
SC200E Smart Module：
SG560D5GNR Smart Module：36M+22M@30fps / 5GNR / AdrenoTM643 / ARMKryo670 / BT5.2 / LTECAT18 / Wi-Fi6E
SC310K Smart Module：4G / ARMCortex-A55 / BT5.0 / GE8322 / GNNS / max.16MPcamera / Octa-coreWiFi
SC668S Smart Module：4G / AdrenoTM610 / ARMKryoTM260 / BT5.0 / GNNS / max.24MPcamera / WiFi
SG150H Smart Module：4G / ARMCortexA53 / BT4.2 / GNNS / MaliT820MP1 / max.5MPcamera / WiFi
SG500Q-CN Smart Module：5GNR / Adreno619 / ARMKryo460 / BT5.1 / GNSS / LTECat15 / max.25MP@30fpscamera / WiFi
SG560D Smart Module：36+22MP@30fpscamera / 5GNR / Adreno642L / ARMKryo670 / BT5.2 / GNSS / LTECat15 / WiFi
SG865W-WF Smart Module：Adreno665VPU / Adreno995DPU / Adreno™650 / BLE5.1 / Hexagon™DSP / Kryo585 / Spectra™480
LTESC200L Smart Module：Android9 / 10ARMCortexA53 / ARMMaliT820 / LTECat4
LTE SC200Y Smart Module：Adreno 506 / Android 9.0 / ARM Cortex A53 / BT 4.2 / LTE Cat 6
LTE SC60 Smart Module：Adreno 506 / Android 7.1\9.0 / ARM Cortex A53 / BT 4.2 / GNSS / LTE Cat 6 / Quick Charge 3.0
LTE SC66 Smart Module：2×2 MIMO / Adreno 512 / Android 9\10 / BT 5.0 / Dual SIM / GNSS / LTE Cat 6O / cta-core
Short-range wireless modules (7 types)
FC64E：Wi-Fi&Bluetooth
FC800L：Wi-Fi&Bluetooth
FC908A：Wi-Fi&Bluetooth
Wi-Fi&BluetoothFCM360W：Wi-Fi&Bluetooth
MCUWIFIFC41D：Wi-Fi&Bluetooth
Wi-Fi&BTFC21： / BT5.0 / WiFi
Wi-Fi&BTFC20：256QAM / BT4.2 / WiFi / WiFi5
Automotive-grade modules (10 types)
5G&C-V2XAG59xE系列：5G / Automotive / C-V2X / DSDS / MIMO
5G&C-V2XAG59xH系列：5G / Automotive / C-V2X / DSDS / MIMO
C-V2XAG18：Automotive / C-V2X / GNSS / MultiFrequency / PC5Mode4 / R14
AF51Y：BT5.1 / PCle2.0 / UART / Automotive Grade
Wi-Fi&BTAF50T：
Wi-Fi&BluetoothAF20：
5G&C-V2XAG55xQ系列：2G / 3G / 4Gfallback / 5G / Automotive / C-V2X / Ethernet / GNSS(optional) / QDR
LTE-A&C-V2XAG52xR系列：2G / 3Gfallback / Automotive / C-V2X / Ethernet / GNSS(optional) / LTECat6 / 9 / 12 / 16 / QDR
C-V2XAG15系列：Automotive / C-V2X / GNSS / PC5Mode4
LTEAG35系列：2G / 3Gfallback / GNSS(optional) / LTECat4
